Finding the Fourth Proportional to 396,943.80, 595,415.70 and 101,455.80
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Solution
The fourth proportional to 396,943.80, 595,415.70 and 101,455.80 is: 152,183.70
Step by Step Solution
- Step 1: Write the proportion equation
396,943.80 : 595,415.70 = 101,455.80 : x - Step 2: Convert to fraction form
396,943.80/595,415.70 = 101,455.80/x - Step 3: Cross multiply
396,943.80x = 595,415.70 × 101,455.80 - Step 4: Simplify right side
396,943.80x = 60,408,376,176.06 - Step 5: Solve for x
x = 60,408,376,176.06/396,943.80 - Step 6: Final answer
x = 152,183.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.